UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sM1pOjmF5Tat8w0fhrpFIRC1HeHSUXDlvGYi0124IYY=' 
WHERE 
  key_id = '938b6f9c8de6a22fd5a81f65cb8ce98a65d5634b23d7c53bc9adb3e7911b9fd8' 
  AND (
    token = 'sM1pOjmF5Tat8w0fhrpFIRC1HeHSUXDlvGYi0124IYY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )